CN110590315A - Compression-resistant waterproof concrete - Google Patents
Compression-resistant waterproof concrete Download PDFInfo
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- CN110590315A CN110590315A CN201910841979.8A CN201910841979A CN110590315A CN 110590315 A CN110590315 A CN 110590315A CN 201910841979 A CN201910841979 A CN 201910841979A CN 110590315 A CN110590315 A CN 110590315A
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- Prior art keywords
- parts
- compression
- waterproof concrete
- resistant waterproof
- waterborne polyurethane
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The utility model provides a resistance to compression waterproof concrete which characterized in that: the paint consists of the following components: 80-100 parts of waterborne polyurethane, 150-200 parts of cement, 150-230 parts of aggregate, 80-120 parts of modified rubber particles, 80-100 parts of water glass, 2-5 parts of curing agent and 5-15 parts of water reducing agent. The concrete floor has the beneficial effects that the problems that the dust-free workshop environment does not reach the standard due to cracks generated by long-term uneven dynamic load of the existing concrete floor, and the maintenance cost is increased are solved.
Description
Technical Field
The invention belongs to the field of building materials, and particularly relates to concrete, in particular to compression-resistant waterproof concrete.
Background
Because the increase of environmental protection pressure, more and more enterprises need carry out equipment transformation, install VOC treatment facility additional, because do not leave sufficient space in advance, many enterprises can only speak the equipment and install on the roof. However, the waterproof layer of the floor is fragile and difficult to bear heavy equipment, so that the floor needs to be modified, and a novel concrete with compression resistance and water resistance is needed.
The invention patent of application No. 201710396103.8 discloses a self-waterproof concrete, which is obtained by adding a waterproof agent consisting of illite powder, fly ash, alum, hydrated lime and calcium superphosphate into the concrete to block the gaps in the concrete, but the improvement still has gaps, and the self-waterproof concrete has poor binding property with the original floor when used for floor modification and is easy to delaminate and break.
Disclosure of Invention
The invention mainly aims to provide compression-resistant waterproof concrete, which solves the problem that the dust-free workshop environment does not reach the standard due to the fact that cracks are generated due to the fact that the existing concrete ground is unevenly loaded for a long time, maintenance cost is increased, and the like.
In order to achieve the technical effects, the invention adopts the following technical scheme:
the compression-resistant waterproof concrete comprises the following components: 80-100 parts of waterborne polyurethane, 150-200 parts of cement, 150-230 parts of aggregate, 80-120 parts of modified rubber particles, 80-100 parts of water glass, 2-5 parts of curing agent and 5-15 parts of water reducing agent.
The preparation method of the waterborne polyurethane comprises the following steps: (1) dicyclohexylmethane diisocyanate, isophorone diisocyanate and poly neopentyl glycol adipate are mixed according to the mass ratio of 1: 0.5: 1.6, heating to 70 ℃ in a nitrogen environment, and carrying out stannous octoate catalysis and dimethylolpropionic acid chain extension to obtain a polyurethane prepolymer; adding water and an emulsifier into the polyurethane prepolymer, and emulsifying to obtain waterborne polyurethane with the solid content of 35%; wherein the molecular weight of the poly neopentyl glycol adipate is 2000, and the average molecular weight of the polyurethane prepolymer is 2000.
Wherein the particle size of the modified rubber particles is 0.5-1.5 mm, and the modified rubber particles are treated by KH550 and have good bonding property with inorganic substances;
the modulus of the water glass is 3-3.5, the curing agent is octafluoropentanol, and the water reducing agent is sodium methylene dimethyl dinaphthalene sulfonate.
The invention also provides a corresponding preparation method:
(1) accurately metering each component, uniformly mixing the waterborne polyurethane, the cement and the modified rubber particles, adding the curing agent, and further mixing to obtain a mixture.
(2) And (3) fully mixing the mixture obtained in the step (1) with aggregate, water glass and a water reducing agent, and further pouring and curing to obtain the compression-resistant waterproof concrete.
The invention has the beneficial effects that:
(1) according to the invention, the water-based polyurethane is adopted for crosslinking, a through network is formed in the concrete, and the strength of the concrete is integrally improved; because the polyurethane has certain toughness, the vibration can be slowed down; the fluorine-containing curing agent can improve the hydrophobicity of concrete.
(2) The compressive strength of the concrete can be enhanced by adding the modified rubber particles.
(3) The water glass is added, so that the concrete is more compact, and the waterproof performance is enhanced.
Detailed Description
For further understanding of the present invention, the following embodiments are provided to illustrate the technical solutions of the present invention in detail, and the scope of the present invention is not limited by the following embodiments.
Example 1
The compression-resistant waterproof concrete comprises the following components: 80 parts of waterborne polyurethane, 150 parts of cement, 150 parts of aggregate, 80 parts of modified rubber particles, 80 parts of water glass, 2 parts of octafluoropentanol and 5 parts of methylene dimethyl dinaphthalenesulfonic acid.
The preparation method of the waterborne polyurethane comprises the following steps: (1) dicyclohexylmethane diisocyanate, isophorone diisocyanate and poly neopentyl glycol adipate are mixed according to the mass ratio of 1: 0.5: 1.6, heating to 70 ℃ in a nitrogen environment, and carrying out stannous octoate catalysis and dimethylolpropionic acid chain extension to obtain a polyurethane prepolymer; adding water and an emulsifier into the polyurethane prepolymer, and emulsifying to obtain waterborne polyurethane with the solid content of 35%; wherein the molecular weight of the poly neopentyl glycol adipate is 2000, and the average molecular weight of the polyurethane prepolymer is 2000.
Wherein the particle diameter of the modified rubber particles is 1.5mm, and KH550 is adopted for treatment.
Water glass modulus 3.
The invention also provides a corresponding preparation method:
(1) accurately metering each component, uniformly mixing the waterborne polyurethane, the cement and the modified rubber particles, adding the octafluoropentanol, and further mixing to obtain a mixture.
(2) And (2) fully mixing the mixture obtained in the step (1) with aggregate, water glass and methylene dimethyl dinaphthalene sulfonic acid, and further pouring and curing to obtain the compression-resistant waterproof concrete.
Example 2
The compression-resistant waterproof concrete comprises the following components: 100 parts of waterborne polyurethane, 200 parts of cement, 230 parts of aggregate, 120 parts of modified rubber particles, 100 parts of water glass, 5 parts of octafluoropentanol and 15 parts of methylene dimethyl dinaphthalenesulfonic acid.
The preparation method of the waterborne polyurethane comprises the following steps: (1) dicyclohexylmethane diisocyanate, isophorone diisocyanate and poly neopentyl glycol adipate are mixed according to the mass ratio of 1: 0.5: 1.6, heating to 70 ℃ in a nitrogen environment, and carrying out stannous octoate catalysis and dimethylolpropionic acid chain extension to obtain a polyurethane prepolymer; adding water and an emulsifier into the polyurethane prepolymer, and emulsifying to obtain waterborne polyurethane with the solid content of 35%; wherein the molecular weight of the poly neopentyl glycol adipate is 2000, and the average molecular weight of the polyurethane prepolymer is 2000.
Wherein the particle diameter of the modified rubber particles is 0.5mm, and KH550 is adopted for treatment.
The water glass modulus is 3.5.
The invention also provides a corresponding preparation method:
(1) accurately metering each component, uniformly mixing the waterborne polyurethane, the cement and the modified rubber particles, adding the octafluoropentanol, and further mixing to obtain a mixture.
(2) And (2) fully mixing the mixture obtained in the step (1) with aggregate, water glass and methylene dimethyl dinaphthalene sulfonic acid, and further pouring and curing to obtain the compression-resistant waterproof concrete.
Example 3
The compression-resistant waterproof concrete comprises the following components: 90 parts of waterborne polyurethane, 170 parts of cement, 200 parts of aggregate, 110 parts of modified rubber particles, 85 parts of water glass, 4 parts of octafluoropentanol and 8 parts of methylene dimethyl dinaphthalene sulfonic acid.
The preparation method of the waterborne polyurethane comprises the following steps: (1) dicyclohexylmethane diisocyanate, isophorone diisocyanate and poly neopentyl glycol adipate are mixed according to the mass ratio of 1: 0.5: 1.6, heating to 70 ℃ in a nitrogen environment, and carrying out stannous octoate catalysis and dimethylolpropionic acid chain extension to obtain a polyurethane prepolymer; adding water and an emulsifier into the polyurethane prepolymer, and emulsifying to obtain waterborne polyurethane with the solid content of 35%; wherein the molecular weight of the poly neopentyl glycol adipate is 2000, and the average molecular weight of the polyurethane prepolymer is 2000.
Wherein the particle diameter of the modified rubber particles is 1mm, and KH550 is adopted for treatment.
The water glass modulus is 3.2.
The invention also provides a corresponding preparation method:
(1) accurately metering each component, uniformly mixing the waterborne polyurethane, the cement and the modified rubber particles, adding the octafluoropentanol, and further mixing to obtain a mixture.
(2) And (2) fully mixing the mixture obtained in the step (1) with aggregate, water glass and methylene dimethyl dinaphthalene sulfonic acid, and further pouring and curing to obtain the compression-resistant waterproof concrete.
Comparative example 1
The compression-resistant waterproof concrete comprises the following components: 80 parts of water, 150 parts of cement, 150 parts of aggregate, 80 parts of modified rubber particles, 80 parts of water glass, 2 parts of octafluoropentanol and 5 parts of methylene dimethyl dinaphthalenesulfonic acid.
Wherein the particle diameter of the modified rubber particles is 1.5mm, and KH550 is adopted for treatment.
Water glass modulus 3.
The invention also provides a corresponding preparation method:
(1) accurately metering the components, fully mixing water, cement, modified rubber particles, aggregate, water glass and methylene dimethyl dinaphthalene sulfonic acid, and further pouring and curing to obtain the compression-resistant waterproof concrete.
Comparative example 2
The compression-resistant waterproof concrete comprises the following components: 80 parts of waterborne polyurethane, 150 parts of cement, 150 parts of aggregate, 80 parts of water glass, 2 parts of octafluoropentanol and 5 parts of methylene dimethyl dinaphthalene sulfonic acid.
The preparation method of the waterborne polyurethane comprises the following steps: (1) dicyclohexylmethane diisocyanate, isophorone diisocyanate and poly neopentyl glycol adipate are mixed according to the mass ratio of 1: 0.5: 1.6, heating to 70 ℃ in a nitrogen environment, and carrying out stannous octoate catalysis and dimethylolpropionic acid chain extension to obtain a polyurethane prepolymer; adding water and an emulsifier into the polyurethane prepolymer, and emulsifying to obtain waterborne polyurethane with the solid content of 35%; wherein the molecular weight of the poly neopentyl glycol adipate is 2000, and the average molecular weight of the polyurethane prepolymer is 2000.
Wherein the water glass modulus is 3.
The invention also provides a corresponding preparation method:
(1) accurately metering each component, uniformly mixing the waterborne polyurethane and the cement, adding the octafluoropentanol, and further mixing to obtain a mixture.
(2) And (2) fully mixing the mixture obtained in the step (1) with aggregate, water glass and methylene dimethyl dinaphthalene sulfonic acid, and further pouring and curing to obtain the compression-resistant waterproof concrete.
Comparative example 3
The compression-resistant waterproof concrete comprises the following components: 80 parts of waterborne polyurethane, 150 parts of cement, 150 parts of aggregate, 80 parts of modified rubber particles, 2 parts of octafluoropentanol and 5 parts of methylene dimethyl dinaphthalene sulfonic acid.
The preparation method of the waterborne polyurethane comprises the following steps: (1) dicyclohexylmethane diisocyanate, isophorone diisocyanate and poly neopentyl glycol adipate are mixed according to the mass ratio of 1: 0.5: 1.6, heating to 70 ℃ in a nitrogen environment, and carrying out stannous octoate catalysis and dimethylolpropionic acid chain extension to obtain a polyurethane prepolymer; adding water and an emulsifier into the polyurethane prepolymer, and emulsifying to obtain waterborne polyurethane with the solid content of 35%; wherein the molecular weight of the poly neopentyl glycol adipate is 2000, and the average molecular weight of the polyurethane prepolymer is 2000.
Wherein the particle diameter of the modified rubber particles is 1.5mm, and KH550 is adopted for treatment.
The invention also provides a corresponding preparation method:
(1) accurately metering each component, uniformly mixing the waterborne polyurethane, the cement and the modified rubber particles, adding the octafluoropentanol, and further mixing to obtain a mixture.
(2) And (2) fully mixing the mixture obtained in the step (1) with aggregate and methylene dimethyl dinaphthalene sulfonic acid, and further pouring and curing to obtain the compression-resistant waterproof concrete.
The materials obtained in examples and comparative examples were subjected to a performance test, and the results are shown in table 1.
TABLE 1
As can be seen from Table 1, the crosslinking reaction of the aqueous polyurethane improves the properties of the concrete
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the scope of the present invention in any way, and all technical solutions obtained by using equivalent substitution methods fall within the scope of the present invention.
Claims (5)
1. The utility model provides a resistance to compression waterproof concrete which characterized in that: the paint consists of the following components: 80-100 parts of waterborne polyurethane, 150-200 parts of cement, 150-230 parts of aggregate, 80-120 parts of modified rubber particles, 80-100 parts of water glass, 2-5 parts of curing agent and 5-15 parts of water reducing agent.
2. The compression-resistant waterproof concrete according to claim 1, wherein: the waterborne polyurethane is prepared by the following method: (1) dicyclohexylmethane diisocyanate, isophorone diisocyanate and poly neopentyl glycol adipate are mixed according to the mass ratio of 1: 0.5: 1.6, heating to 70 ℃ in a nitrogen environment, and carrying out stannous octoate catalysis and dimethylolpropionic acid chain extension to obtain a polyurethane prepolymer; adding water and an emulsifier into the polyurethane prepolymer, and emulsifying to obtain waterborne polyurethane with the solid content of 35%; wherein the molecular weight of the poly neopentyl glycol adipate is 2000, and the average molecular weight of the polyurethane prepolymer is 2000.
3. The compression-resistant waterproof concrete according to claim 1, wherein: the particle size of the modified rubber particles is 0.5-1.5 mm, and KH550 is adopted for treatment.
4. The compression-resistant waterproof concrete according to claim 1, wherein: the modulus of the water glass is 3-3.5, the curing agent is octafluoropentanol, and the water reducing agent is sodium methylene dimethyl dinaphthalene sulfonate.
5. The preparation method of the compression-resistant waterproof concrete according to claim 1, characterized in that: is prepared by the following steps: (1) accurately metering each component, uniformly mixing the waterborne polyurethane, the cement and the modified rubber particles, adding a curing agent, and further mixing to obtain a mixture; (2) and (3) fully mixing the mixture obtained in the step (1) with aggregate, water glass and a water reducing agent, and further pouring and curing to obtain the compression-resistant waterproof concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910841979.8A CN110590315A (en) | 2019-09-06 | 2019-09-06 | Compression-resistant waterproof concrete |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910841979.8A CN110590315A (en) | 2019-09-06 | 2019-09-06 | Compression-resistant waterproof concrete |
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| CN110590315A true CN110590315A (en) | 2019-12-20 |
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Citations (8)
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|---|---|---|---|---|
| CN101580366A (en) * | 2008-04-11 | 2009-11-18 | 清华大学 | Mortar and concrete modified by emulsified asphalt |
| CN102503343A (en) * | 2011-10-17 | 2012-06-20 | 张家港市林达外加剂厂 | Mortar concrete waterproofing agent and preparation method thereof |
| CN105367026A (en) * | 2015-12-10 | 2016-03-02 | 张进 | High strength concrete and preparation method thereof |
| CN106478002A (en) * | 2015-09-02 | 2017-03-08 | 国网智能电网研究院 | A kind of vibration insulation and noise reduction rubber concrete and preparation method thereof |
| CN108751855A (en) * | 2018-07-02 | 2018-11-06 | 江苏先达建设集团有限公司 | A kind of water-permeable cement concrete and preparation method thereof mixed with rubber |
| CN109928693A (en) * | 2017-12-15 | 2019-06-25 | 姜宏鹏 | A kind of cracking resistance regeneration concrete resistant to high temperature |
| CN110036049A (en) * | 2016-12-21 | 2019-07-19 | Sika技术股份公司 | Flexible poly urethane cement base hybrid composition |
| CN110194624A (en) * | 2019-06-13 | 2019-09-03 | 北京建工一建工程建设有限公司 | A kind of high-strength insulation concrete and preparation method thereof |
-
2019
- 2019-09-06 CN CN201910841979.8A patent/CN110590315A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101580366A (en) * | 2008-04-11 | 2009-11-18 | 清华大学 | Mortar and concrete modified by emulsified asphalt |
| CN102503343A (en) * | 2011-10-17 | 2012-06-20 | 张家港市林达外加剂厂 | Mortar concrete waterproofing agent and preparation method thereof |
| CN106478002A (en) * | 2015-09-02 | 2017-03-08 | 国网智能电网研究院 | A kind of vibration insulation and noise reduction rubber concrete and preparation method thereof |
| CN105367026A (en) * | 2015-12-10 | 2016-03-02 | 张进 | High strength concrete and preparation method thereof |
| CN110036049A (en) * | 2016-12-21 | 2019-07-19 | Sika技术股份公司 | Flexible poly urethane cement base hybrid composition |
| CN109928693A (en) * | 2017-12-15 | 2019-06-25 | 姜宏鹏 | A kind of cracking resistance regeneration concrete resistant to high temperature |
| CN108751855A (en) * | 2018-07-02 | 2018-11-06 | 江苏先达建设集团有限公司 | A kind of water-permeable cement concrete and preparation method thereof mixed with rubber |
| CN110194624A (en) * | 2019-06-13 | 2019-09-03 | 北京建工一建工程建设有限公司 | A kind of high-strength insulation concrete and preparation method thereof |
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